/**
 * 序列化 query 参数
 * @param {Object} data {a: 1, b: 2}
 * @returns {String} 'a=1&b=2'
 */
import { BASE_FILE_URL } from "./requset.js";
export function stringifyQuery(data = {}) {
  const newArr = [];
  Object.keys(data).forEach((key) => {
    newArr.push(`${key}=${encodeURIComponent(data[key])}`);
  });
  return newArr.length ? "?" + newArr.join("&") : "";
}

//补零函数
function padZero(n) {
  return n < 10 ? "0" + n : n;
}
export const formatDate = (time) => {
  if (time) {
    const date = new Date(time);
    const year = date.getFullYear();
    const month = date.getMonth() + 1;
    const day = date.getDate();
    const h = date.getHours();
    const m = date.getMinutes();
    return `${year}-${padZero(month)}-${padZero(day)} ${padZero(h)}:${padZero(
      m
    )}`;
  } else {
    return null;
  }
};

export const formatSrc = (url) => {
  if (url) {
    // return url.includes("http") ? url : `${BASE_FILE_URL}${url}`;
    return `${BASE_FILE_URL}${url}`;
  } else {
    return "";
  }
};
// 日期格式化
export function parseTime(time, pattern) {
  if (arguments.length === 0 || !time) {
    return null;
  }
  const format = pattern || "{y}-{m}-{d} {h}:{i}:{s}";
  let date;
  if (typeof time === "object") {
    date = time;
  } else {
    if (typeof time === "string" && /^[0-9]+$/.test(time)) {
      time = parseInt(time);
    } else if (typeof time === "string") {
      time = time
        .replace(new RegExp(/-/gm), "/")
        .replace("T", " ")
        .replace(new RegExp(/\.[\d]{3}/gm), "");
    }
    if (typeof time === "number" && time.toString().length === 10) {
      time = time * 1000;
    }
    date = new Date(time);
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay(),
  };
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key];
    // Note: getDay() returns 0 on Sunday
    if (key === "a") {
      return ["日", "一", "二", "三", "四", "五", "六"][value];
    }
    if (result.length > 0 && value < 10) {
      value = "0" + value;
    }
    return value || 0;
  });
  return time_str;
}
